Control button



FIG. 1 is a top perspective view of a control button for a heated garment.

FIG. 2 is a bottom perspective view of the control button shown in FIG. 1 ; and,

FIG. 3 is a front view of the control button shown in FIG. 1 .

The broken lines represent the environment of the control button and form no part of the claimed design. 

CLAIM I claim the ornamental design for a control button, as shown and described. 